| Address | Date | Type | Price |
|---|---|---|---|
| 21, HARMER GREEN LANE | 22-03-2019 | Semi-Detached | £775,000 |
| 25, HARMER GREEN LANE | 04-10-2013 | Detached | £850,000 |
| 23, HARMER GREEN LANE | 28-08-2013 | Detached | £840,000 |
| 35, HARMER GREEN LANE | 08-02-2013 | Detached | £735,000 |
| 27, HARMER GREEN LANE | 21-10-2011 | Detached | £776,000 |
| 21, HARMER GREEN LANE | 08-04-2011 | Semi-Detached | £442,000 |
| 37, HARMER GREEN LANE | 25-06-2009 | Detached | £625,000 |
| 21, HARMER GREEN LANE, WELWYN | 21-09-2006 | Semi-Detached | £420,000 |
| 37, HARMER GREEN LANE, WELWYN | 02-04-2004 | Detached | £625,000 |
| 31, HARMER GREEN LANE, WELWYN | 05-12-2001 | Detached | £487,500 |